Expect to see the first Core 2 Duo-derived Celeron M processors in Q1 2007, the same timeframe Intel has assigned to the release of low-voltage Core 2 Duo CPUs, it has been claimed by folk who've had a look at the chip giant's latest mobile roadmap.

Next year will see the arrival of the Celeron M 520, a 1.60GHz part containing a single processing core. It will be joined in Q2 2007 by the 530, which will be clocked to 1.73GHz, according to a report at Japanese-language site PCWatch.

A pair of LV Core 2 Duos will appear in Q1 2007: the 1.33GHz L7200 and the 1.50GHz L7400. Both will run over a 667MHz frontside bus, which will be raised to 800MHz the following quarter with two further LV Core 2 Duos: the 1.6GHz L7500 and the 1.4GHz L7300.

Q2 2007 will mark the arrival of the ultra-low voltage Core 2 Duo U7500, a 1.06GHz part again running on a 667MHz FSB, the report indicates. The same part will be upgraded to an 800MHz FSB in Q3 2007, though it will retain the same model number.

Past mobile roadmaps have pointed to the Q2 2007 debut of the Core 2 Duo T7700, the 2.4GHz, 800MHz FSB laptop processor that should debut alongside 'Santa Rosa', the next incarnation of Intel's Centrino platform. ®